THIRD PLACE IN A RANKED completed JAM
Datapack Jam Spring 2026

Data Packs Magic

Magnum Opus

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Compatibility
Minecraft 26.2
Changes include
  • Advancements
  • Functions
  • Loot Tables
  • Predicates
  • Recipes
  • Structures
  • 5
  • 7
  • 4
Required Resource Pack
FoxedDev
Lvl 6 • Apprentice Engineer
2
The text "Magnum Opus" in big, golden letters and two shelves with mysterious looking ingredients on them.

On one of your many journeys through the overworld, you uncover a long forgotten secret and begin your search for mysterious ingredients scattered throughout different biomes and dimensions to forge the most powerful block ever known to blockkind.

With art by @GalaxyByne


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2 Update Logs

v2.0.0 for MC 26.2 : by FoxedDev 09/20/2026 3:12:02 pmSeptember 20 @ 7:12 pm UTC

Magnum Opus switched from GitHub to Codeberg! 🥳


Features



* The README.md and project description look a lot cooler now
* Soul Fire and Soul Campfire can now be used as a cauldron heat source
* The ritual animation looks a lot cooler now
* Switch from advancements to dialogs for data pack menu
* Update to Minecraft 26.2
* Using a glass bottle on the Philosopher's Stone now requires experience
* Temple basements only spawn once now

Bugs



* Glass bottle count is reset to one when filled with Elixir of Life
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  Have something to say?

Ancar
• 04/16/2026 10:11 am
He/Him • Level 27 : Expert Engineer Architect
This deserves a diamond :D
2
EnderB_C_
• 04/12/2026 1:58 pm
• Level 52 : Grandmaster Procrastinator
Extremely well made. There were numerous moments where i jumped off my chair seeing/understanding by myself some stuff. The fire and wind essences i was sure wouldn't work, how would you check if a fammable item is in lava before it burns or if a lightning strikes an item (which always deletes them)? I guess it's possible

Giving a new use to the dragon egg was very smart to do

Only difficulties i had were finding a village with a church (i looked at about 5 villages before spawning one myself) and understanding the items had to boil for a really long time before converting to the water essence and had to look in the code. Also (maybe im dumb) i had no idea how to progress after getting all the essences and resorted to searching stuff in the PMC page, and then the code. I saw the dragon egg check and then i remembered the thumbnail art of this page and it was sooo cool. But i don't think it would be that simple for other people

Last and least, the philostone fills only one bottle from a stack, deleting the others, and crushing any item that is not part of a recipe with the pestle deletes it too, so if i didn't know and accidentally threw my dragon egg in the cauldron...

(Also did you use the older versions of blockbench to make an animatedjava animation? Because when i made my small cutscene my old frame splitter program wasn't working and wanted to try aj but it was for older versions of blockbench)
2
FoxedDev
• 04/13/2026 1:08 am
He/Him • Level 6 : Apprentice Engineer
Hey, thank you so much for your feedback!

The lava and lightning was actually pretty simple compared to some other things (like the Swamp Hut, I had to remake the whole structure because it was hardcoded 😭): The items take one tick to be destroyed.

Maybe I should've made the church structures a bit less rare...

And the researching and looking at the thumbnail was completely intended, my goal was to make it a bit more interesting so you don't already know what to do when downloading the pack.

The stone destroying all bottles in the stack is a bug I didn't have time to fix completely intended (trust).

I did use an old version of Blockbench using EnvBench: www.npmjs.com/package/envbench
2
FoxedDev
• 04/11/2026 10:36 am
He/Him • Level 6 : Apprentice Engineer
Dev Note: Created with Beet and Bolt
1

Welcome